/*
 * Copyright (c) 2023 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.oceanbase.odc.service.datasecurity.extractor;

import java.sql.ResultSet;

import com.oceanbase.odc.service.datasecurity.extractor.model.LogicalTable;
import com.oceanbase.tools.sqlparser.statement.Statement;

/**
 * @author gaoda.xy
 * @date 2023/6/5 11:00
 */
public interface ColumnExtractor {

    /**
     * Extract the physical columns involved in the {@link ResultSet} from the {@link Statement}.
     * 
     * @param statement SQL parse statement, reference {@link Statement}.
     * @return Column information, reference {@link LogicalTable}.
     */
    LogicalTable extract(Statement statement);

}
